<table border="1" class="dataframe">
  <thead>
    <tr style="text-align: right;">
      <th></th>
      <th></th>
      <th>A</th>
      <th>B</th>
      <th>C</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <th rowspan="2" valign="top">foo</th>
      <th>car</th>
      <td>1</td>
      <td>1.2</td>
      <td>one</td>
    </tr>
    <tr>
      <th>bike</th>
      <td>2</td>
      <td>3.4</td>
      <td>two</td>
    </tr>
    <tr>
      <th>bar</th>
      <th>car</th>
      <td>3</td>
      <td>5.6</td>
      <td>NaN</td>
    </tr>
  </tbody>
</table>
